SPREAD for Windows Forms 控制输入法

    enc = System.Text.Encoding.GetEncoding("shift-jis")
    datamodel = CType(FpSpread1.ActiveSheet.Models.Data, Model.DefaultSheetDataModel)

    Dim enc As System.Text.Encoding
    Dim WithEvents datamodel As Model.DefaultSheetDataModel

    Private Sub datamodel_Changed(ByVal sender As Object, ByVal e As Model.SheetDataModelEventArgs) Handles datamodel.Changed
        ''非編集状態でクリップボードから貼り付けした場合
        If e.Type = Model.SheetDataModelEventType.CellsUpdated Then
            Try
                If TypeOf (FpSpread1.Sheets(0).GetCellType(e.Row, e.Column)) Is CellType.TextCellType Then
                    Dim tCell As CellType.TextCellType = CType(FpSpread1.Sheets(0).GetCellType(e.Row, e.Column), CellType.TextCellType)
                    Dim s As String = CStr(datamodel.GetValue(e.Row, e.Column))
                    If enc.GetByteCount(s) > tCell.MaxLength Then
                        s = enc.GetString(enc.GetBytes(s), 0, tCell.MaxLength)
                        If enc.GetByteCount(s) > tCell.MaxLength Then
                            s = enc.GetString(enc.GetBytes(s), 0, tCell.MaxLength - 1)
                        Else
                            s = enc.GetString(enc.GetBytes(s), 0, tCell.MaxLength)
                        End If
                        datamodel.SetValue(e.Row, e.Column, s)
                    End If
                End If
            Catch
            End Try
            SwData = 1
        End If
    End Sub

    Private Sub FpSpread1_EditModeOn(ByVal sender As Object, ByVal e As System.EventArgs) Handles FpSpread1.EditModeOn
        If TypeOf (FpSpread1.ActiveSheet.GetCellType(iRow, iCol)) Is FarPoint.Win.Spread.CellType.CurrencyCellType _
            Or TypeOf (FpSpread1.ActiveSheet.GetCellType(iRow, iCol)) Is FarPoint.Win.Spread.CellType.NumberCellType Then
            FpSpread1.EditingControl.ImeMode = Windows.Forms.ImeMode.Off
        ElseIf TypeOf (FpSpread1.ActiveSheet.GetCellType(iRow, iCol)) Is FarPoint.Win.Spread.CellType.TextCellType Then
            FpSpread1.EditingControl.ImeMode = Windows.Forms.ImeMode.Hiragana
        End If
    End Sub

    Private Sub FpSpread1_EditChange(ByVal sender As System.Object, ByVal e As FarPoint.Win.Spread.EditorNotifyEventArgs) Handles FpSpread1.EditChange
        ' 編集中の入力制御
        Try
            ' テキスト型セルの場合
            If TypeOf e.View.GetSheetView.GetCellType(e.Row, e.Column) Is CellType.TextCellType Then
                Dim tCell As CellType.TextCellType = CType(e.View.GetSheetView.GetCellType(e.Row, e.Column), CellType.TextCellType)
                Dim s As String = e.EditingControl.Text
                If enc.GetByteCount(s) > tCell.MaxLength Then
                    Dim chrs As Char() = enc.GetChars(enc.GetBytes(s), 0, tCell.MaxLength)
                    If Not Char.IsLetter(chrs(chrs.Length - 1)) Then
                        Array.Resize(chrs, chrs.Length - 1)
                    End If
                    e.EditingControl.Text = String.Concat(chrs)
                    CType(e.EditingControl, CellType.GeneralEditor).SelectionStart = e.EditingControl.Text.Length
                End If
            End If
        Catch
        End Try

    End Sub